RHSA-2025:21371MediumCVSS 6.8

Red Hat Security Advisory: Red Hat build of Keycloak 26.4.4 Images Security Update

Published
November 13, 2025
Last Modified
August 4, 2026

🔗 CVE IDs covered (5)

CVE-2025-10939 →CVE-2025-11538 →CVE-2025-12110 →CVE-2025-12150 →CVE-2025-12390 →

📋 Description

CVE-2025-10939 — org.keycloak/keycloak-quarkus-server: Unable to restrict access to the admin console CVE-2025-11538 — keycloak-server: Debug default bind address CVE-2025-12110 — keycloak: org.keycloak:keycloak-services: User can refresh offline session even after client's offline_access scope was removed CVE-2025-12150 — org.keycloak/keycloak-services: WebAuthn Attestation Statement Verification Bypass CVE-2025-12390 — org.keycloak.protocol.oidc.endpoints.LogoutEndpoint: Offline Session takeover due to reused Authentication Session ID

🎯 Affected products10

  • Red Hat build of Keycloak 26.4
  • rhbk/keycloak-operator-bundle@sha256:50577bde141dae173b700c21f83b2bf66b0f7a32b76b4b75e43cc4da249f3dad_amd64 as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9-operator@sha256:30a472b0c9cfa3f9d60942d45f7eb5ef9ef2a4e80665bcf0d179727c6404d792_arm64 as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9-operator@sha256:30abecc1365b4f510403ff4bc244de1a9735e02f8b9a665fc77f2aec2ee5a025_s390x as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9-operator@sha256:cec95b5c4ee797c24b1e1b7b4153aa739b706ad4421fd1d2dfd3eea27e314e1f_ppc64le as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9-operator@sha256:e1c3d0ef47ab51ce48553dcb6be4a6db8ac7dd8ba82e9ec15e97cd753aeaa9eb_amd64 as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9@sha256:175daaf28bfa2e07cdf5a337bdf247de519c03c7df4a17367f8f1e5f40a469ea_s390x as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9@sha256:3cbef8b1d1a0794f5f5f13630f4db9c210f21a8949329d33ee8873a33a48f1dd_amd64 as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9@sha256:670c505d4614d99916a958daaf432f8bbac8584e3be95e7b79b6be49833d8213_arm64 as a component of Red Hat build of Keycloak 26.4
  • rhbk/keycloak-rhel9@sha256:9993b5ca357dd6bfdcaf6ca207dc2640686e9dc3a1383504ec35ece20336d55c_ppc64le as a component of Red Hat build of Keycloak 26.4

✅ Remediation

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (3)